CVE-2026-39601
WordPress Booking Calendar plugin <= 11.8.4 - Race Condition vulnerability
WPdevelop Booking Calendar
CVSS
3.7LowExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.16%Chance of exploitation activity in the next 30 days, higher than 4% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
What fixes it
No source in this snapshot names a fixed version.
Description
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in WPdevelop Booking Calendar booking allows Leveraging Race Conditions.This issue affects Booking Calendar: from n/a through 11.8.4.
Text from CVE List
Affected versions 1
- Booking Calendaraffected: all versions through 11.8.4CVE List